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i&d > BACTERIA AND ANTIBIOTICS > Flashcards

BACTERIA AND ANTIBIOTICS Flashcards

1
Q

What are the two broad types of antibiotic in terms of mechanism of action?

A

Bacteriostatic

Bactericidal

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2
Q

Are penicillins bacteriostatic or bacteriocidal? What is the mechanism of action for penicillins?

A

Bactericidal

They possess a thiazolidine ring connected to a beta-lactam. This ring interacts with and inhibits the repair of bacteria cell wall. The result is lysis.

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3
Q

Do penicillins work on gram positive and gram negative bacteria?

A

Yes, unless resistance has developed.

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4
Q

Give some examples of penicillin antibiotics.

A 
Benzylpenicillin
Penicillin V
Ampicillin (Broad spectrum)
Amoxicillin (Broad spectrum)
Methicillin (β-lactamase-resistant)
Flucloxacillin (β-lactamase-resistant)
Dicloxacillin (β-lactamase-resistant)
Piperacillin
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5
Q

What are the broad spectrum penicillins?

A

Ampicillin

Amoxicillin

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